tests: adding use of singleconfluence in the validation set

Adds a run of the `singleconfluence` builder into the validation set.
This can be helpful to verify the use of this builders during
development, as well as present to users who want to verify capabilities
and report observed issues that may have been overlooked.

Signed-off-by: James Knight <[email protected]>

tests/test_validation.py

@@ -201,6 +201,20 @@ def test_230_markdown(self):
     def test_240_extensions(self):
         self._test_extensions('v2')
 
+    def test_310_singleconfluence(self):
+        config = self.config.clone()
+        config['confluence_editor'] = 'v1'
+        config['confluence_sourcelink'] = None
+        config['confluence_title_overrides'] = {
+            'index': 'Single Confluence',
+        }
+
+        dataset = self.datasets / 'restructuredtext'
+        doc_dir = prepare_dirs('validation-set-rst-singleconfluence')
+
+        build_sphinx(dataset, config=config, out_dir=doc_dir,
+            builder='singleconfluence')
+
     def _test_restructuredtext(self, editor):
         config = self._prepare_editor(editor)
         config['confluence_sourcelink']['container'] += 'restructuredtext/'
@@ -313,6 +327,9 @@ def navdocs_transform(builder, docnames):
                 builder.state.register_title(
                     '_validation_prev', 'Markdown Table (Fabric)', None)
                 docnames.insert(0, '_validation_prev')
+                builder.state.register_title(
+                    '_validation_next', 'Single Confluence', None)
+                docnames.append('_validation_next')
             else:
                 builder.state.register_title(
                     '_validation_prev', 'Markdown Table', None)